单选Lucy's father was very strict with her and he never praised her

单选Lucy's father was very strict with her and he never praised her
Lucy's father was very strict with her and he never praised her ____ she became one of the top students in her grade.
A.after
B.unless
C.until
D.when
B为什么不对?
英语人气:110 ℃时间:2019-10-19 13:15:18
优质解答
not ...until 是固定搭配 ,指的是“只有...才...“句中有个never 表示否定,根据句意,那当然就有until在后头了了
unless 指的是"除了"
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